#1 Micro Battery Saver // Vifly WhoopStor 3 // Fit & Finish with New Features

Version 1/2 has been out a while, this new version is much more refined. Color screen charging and discharging options. Use at home or in the field.
ViFly WhoopStor3 available ⤵️
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[@theroburrito]

The 40W input power is a minimum not a maximum! Important for anyone hoping to power it with USB! I thought I'd be able to use my 18W USB Fast Charger for charging at my desk, but it gives you an "Input Low" warning and you need to use 40W min.

[@deathpunchrigby1664]

Yeah, I don't see the reason to get this compared to their v2. Features-wise, there's almost no difference, except for the addition of a fan. Looks like the v2 is more compact, and only require 30W min, allowing you to use a smaller phone wall charger.

[@NickBurnsFPV]

yes, I didn't "speak" that correctly.

[@AdamKouse]

What’s the output specs on your charger? Does it do USB PD? Just this evening I used my little Anker 20W charger to charge up six 450’s at 0.4A. It negotiates up to 9V. Non-PD chargers at 5V do not seem to work.

[@VIFLYDrone]

@@deathpunchrigby1664 The minimum 40w input we write on the spec is to ensure every port can reach the largest charge current(1.3A), if your input power is lower than 40w , it still can work, you just need to lower the charge current, for example, if input power is 30w, the charge current only can reach 0.9A, hope my explaination is clear.

[@VIFLYDrone]

The issue is not caused by 18w input power, this is because your USB fast charge protocol is not supported on our charger

[@medrone7097]

I saw that they have a firmware update that corrects the .02 over charging issue. Good job of Nick to catch that!

[@anthonynave4875]

I have just installed the v1.14 and it also solves the fan issue. I can definitively hear it now.

[@scu-dub]

Man im telling you my patience pants are ironed and creased 😂 I was going to get the v2 of this charger and thought I should wait because of how fast they came out with it after the v1 lol and bam!!!! Now a v3 that's way better awesome nick I desperately need one of these as I'm amping up on the micros great review 👍🏼

[@NickBurnsFPV]

lol, your pants are all set and sorted. :)

[@LicardoFPV]

The fan works when you storage discharge. I have one of this charger(early tester) and I have been using them for over 1 month, it is really a good charger for 1s pilot.

[@NickBurnsFPV]

I haven't had it kick on discharging yet, but I think I also had it set to a lower amp when discharging.

[@sixtofive]

I've been using their series 1s board that requires a full charger, but being able to reliably storage charge my 1s batteries has really seemed to extend their useful life span. This stand alone unit would be even more convenient out on the road! The one big advantage a full featured charger and series board will still have is being able to know exactly how many mah you put back into a pack to recharge it so you can calibrate the aio batt offset for accurate mah used screen display.

[@NickBurnsFPV]

That is a good point for v4, mah counter per battery. Great thought. Thank you

[@valden]

I've still been going strong with some fractal boards but this is a great stand alone option for sure. Will probably pick one up eventually 👍

[@TangoTheAlexanderineBIRDS4LIFE]

Can anyone tell the Valt and amps I should use for a 450mah battery and does it automatically discharge or should I set it to discharge

[@bigatchoum]

Extremely useful video Nick! I am putting this on top of my wishlist. The perspective of such a handy device helping me to close my late flying sessions in the house is already triggering a need to get my whoop out of the shelve where it stayed dormant for way too long! BTW nice tan, you look good!

[@VIFLYDrone]

The 0.02V over charging will be fixed soon by upgrading the firmware.

[@DudeMaybeSomeday]

Niiice, thank you!

[@amin0_acid310]

I have one of the V1's, I think, without the dial. I think my PH2 connectors are packing it in, I'm moving to BT2/A30 so I'm good there. But I have been looking at this one just in case my current one starts to falter more. Love these things! Just hacked up an old IBM Laptop power supply with an XT60, love the USB C for a power bank too. Big thank you for confirming an A30 battery will connect to these. Having BT2's on all my whoops soon seals the deal on completely dropping PH2, except for a few toy drones for spec'taters. Thanks again for sharing! Cheers!

[@rgilroy1909]

thanks for this, Wish I knew about this product earlier. waisted a whole lotta 1s batteries due to "puffiness".

[@NickBurnsFPV]

storage charging will certainly help the life of 1s batteries.

[@popsfitch7938]

Thanks Nick, this will go into my “goin to my Brothers house to crash and bash”. It is so much smaller than my Hoya D6 pro and adapters. It will make my backpack lighter as well. Still looking for the perfect micro Dji whoop but I am still flying Nickie regularly, thanks. Getting a little better by the day. Thank you so much again Nick. GB you and yours. Sincerely, Other Pops

[@NickBurnsFPV]

Oh yes, this would be a good travel bag item. A single big lipo would probably charge 1s lipos most of the day if not more.

[@dondupuis4007]

Now they have 2s chargers now/, really great video, I think I finally understand😊😅

[@mssippijim]

Just ordered 1. This should add life to 1S now that they can be storage charged.

[@The2xWhiskey]

I've really enjoyed my V2 charger. I think I prefer the darker display. And I definitely prefer not over charging my batteries, even if by only 0.02V. These batteries can cause some serious damage if improperly handled. But everyone will have their own safety margin.

[@VIFLYDrone]

The 0.02V over charging will be fixed soon by upgrading the firmware.

[@h2o40fpv]

I got mine from RDQ and today its going to be my first time flying a woop lol . Right now im charging the batteries. 😊

[@bentravis99]

I just ordered one of these inspired by your video Nick, thank you!

[@erikvf7]

That's a great one. I have the passive 6 port adjustable charging board from vifly, I use it with my ToolkitRC charger and it works great.

[@MCsCreations]

Great review as always, Nick! Thanks!!! 😃 I definitely need to get one of those as soon as possible! Stay safe there with your family! 🖖😊

[@mercurymoyes4018]

Love the version 2 this one looks awesome

[@wmcewa01]

Can confirm that the 1.13 firmware on the vifly website fixes the overcharging (4.37V) issue.

[@Shauny_D]

Your thumbnail got me 👊🏼 They need to add a single 2s charger on the side so you can charge goggles batteries too

[@NickBurnsFPV]

I wonder how much bulk something like that would add. I worry about it getting bigger and not being so pack friendly

[@Shauny_D]

@@NickBurnsFPV yah that new one is a bit bigger anyway. I made a little adapter to plug 2s into 2 1s ports. That way when I travel I can bring just the 1 charger and cover goggles too

[@weylanwang5788]

I love the v2 it does my 18650s as well (4.2v) I made an adapter. The v3 was not available when I got my v2, but the 4.37v issue you have is not in the v2, and the v3 can charge as high as 1.3A, which is a nice option but as nick found I do most of my charging at .3A from 3.71v to4.35v and that is just enough time for me to get the bats charged when I can fly again.

[@rockfordian23]

I just got my pre order and it's amazing!

[@crazylolsbg]

i am so hyped for this

[@slavik.nychkalo]

I’m happy user of v2 and v3 now, and one pretty major cons of v3 I think is that PH2.0 connectiors are on top of the charger instead of having it on the side. In v2 it is a lot more comfortable to connect and disconnect batteries from the sides. So I hope they will do it in v4 😄

[@WingDingMcKing]

Was thinking about picking one of these up already... now your video is out I've gone ahead and pulled the trigger before your coverage makes them sell out!

[@NickBurnsFPV]

lol. Surely my simple vid won't make all the stock disappear. I suspect Vifly made many many and set them to resellers.

[@kestrelfpv4712]

I ordered 2 and got mine yesterday, I love these chargers!

[@NickBurnsFPV]

Nice, first vifly whoopstor?

[@kestrelfpv4712]

@@NickBurnsFPV no sir, i have two other previous versions, but i like this one best.

[@willfpv4475]

Ha! I just bought the Vifly parallel charger along with a mob6 elrs for the current IGOW season.

[@NickBurnsFPV]

oh yes, igow required supply

[@MustBeard]

Thanks Nick!

[@Azimys_sight]

Which power has your type-c adapter, over 40w? 4:13

[@mintyfpv7809]

Got my one yesterday in the post.

[@NickBurnsFPV]

Nice. Did you have the previous version too?

[@mintyfpv7809]

@@NickBurnsFPV No this is my first charger from Vifly as getting back into tiny whoop (got a Mobettle6).

[@colibrifpv]

ohhh I need one of these 🤩

[@PhantomTD]

The fan also comes on when discharing multiple batteries.

[@TheWingnut58]

Race Day Quads has them too...

[@NickBurnsFPV]

yep, I have them listed

[@MrCrowleyandhisdrone]

Cool charger, Peace🙂

[@Thump2030]

Nice video as usual

[@zacharycbp]

Got a question. My 1s batteries say 3.8v. When I charge should I only select 3.8v or is that just the storage charge?

[@NickBurnsFPV]

3.8 is storage. We should charge to 4.2v or 4.35 if they are high volt batteries.

[@cedricgrandseigne]

only missing the mah that went into each batterie, and it would be perfect, maybe in the V4.

[@DonJohnsonFPV]

Hi Nick, I'm curious on knowing the charge time with this one, my V2 is way slower than what advertised, taking 1h at .9A to charge a 550mAh battery so more 0.5A to me.

[@NickBurnsFPV]

I will need to test that aspect. So I understand. your v2 charging at .9a takes an hour to charge a 550mah from storage to HV?

[@DonJohnsonFPV]

@@NickBurnsFPV an hour from empty battery to HV, still way slower than my UP-S6 at 0.9A.

[@ElfLanvi]

Following because i see this same issue in the v2. Only noticed it when i also series charged batteries using my full sized charger at the same time and they took almost half the time at the same 0.9 amps

[@beedroneinsta]

Hi nick just wondering can you change a 2s battery as well with that board? As I have the pavo pico . What would you recommend if not thanks

[@NickBurnsFPV]

No this charger is 1s only. Any charger I have had on the channel could charge a 2s battery. ToolkitRC chargers are cheaper and Hota typically more reliable, but I haven't had reliability issue with ToolkitRC chargers, just others report reliability issues.

[@beedroneinsta]

@@NickBurnsFPV thank you

[@MelinsRCTech]

Can you set different charge currents for each channel? If you charge for ex two 1s 450 mah and four 1s 650 mah and I want to charge them all at 1c?

[@NickBurnsFPV]

yes, each port can have a different charge rate.

[@MelinsRCTech]

@@NickBurnsFPV Nice... Just ordered one 👍

[@BrownSoloFPV]

Maaaaaannn I just bought a V2 a few months ago and was kind of bummed I had no way to plug it into a wall a charge my small batteries lol didn't know a newer one was in the works

[@NickBurnsFPV]

your V2 doesn't have the usb port? I use my V2 with a usb wall charger

[@BrownSoloFPV]

@NickBurnsFPV just looked and it in does gave a USB port 😅 wow all this time. Thank you sir 🫡

[@scole901]

so you dont add the mah, its not a parallel charger?

[@NickBurnsFPV]

Sorry, add the mah? I don't understand. No its not a parallel charger to my knowledge, as we can charge one battery, two or up to 6 independently.

[@AoE-VALHALLA]

Hello, can I charge betafpv 550mAh 1s lipos with that charger?

[@NickBurnsFPV]

I don't understand. Its a charger built specifically for 1s batteries. Plug in to power, plug in battery and press the start stop button.

[@fluffynl3390]

i got 1 incoming from their giveaway 🎉🎉

[@NickBurnsFPV]

ah nice winnings there.

[@fluffynl3390]

@@NickBurnsFPV theres a firmware upgrade available that fixes the little bit overcharging ;)

[@NickBurnsFPV]

@@fluffynl3390 yes they commented here that they would have a new firmware

[@fabricefuzillier8920]

Hi. Can I use it with mavic 2 pro batteries? Thanks.

[@NickBurnsFPV]

I am pretty sure the answer is no, but I don't have a mavic or follow that line of drone.

[@notice_fpv]

Hey Nick. I'm new to 1s. My whoopstor v3 shows 4.35v when I charge my hv batteries. When I plug them into my whoop however, I'm only seeing 4.2ish. Which device is lying to me? 😂

[@NickBurnsFPV]

depending on what sort of video system is in the quad maybe neither. HD video systems have higher voltage requirements and by the time its plugged in and we get our video link some voltage is used. If its analog its the scale of the AIO that is off.

[@notice_fpv]

@@NickBurnsFPV I'll have to pay attention today to see if the difference is larger between my analog mob6 and the mob6 Eco!

[@fastoven]

Can i use the GNB 7.6v 530mah battery for this

[@NickBurnsFPV]

if it has the A30 connector

[@marccalifpv2546]

Hobby rc in the uk 🇬🇧 has them instock

[@NickBurnsFPV]

Got it. Thank you

[@ArthurRodriguez]

I didn't realize an A30 connector would be compatible with BT2.0. What about a GNB27 with a BT2.0? Thank you!!

[@ArthurRodriguez]

Thank you for the video. As always my question was answered before the end!!

[@ghostrot]

Whats the name off the wall adaptor?

[@NickBurnsFPV]

I don't know it has a particular name is a standard QC30 cell phone type wall adapter.

[@yarbsfpv]

I'd have to assume you can really get the fan to crank if you have it do a storage discharge of shame on a bunch of packs.

[@NickBurnsFPV]

Yes. I was able to trigger the fan with higher amp setting and more batteries at a time. I have been using it at .6amp with 6 batteries. At .8amp the fan will trigger, at least in the cold basement with me.

[@primoziskra6394]

Will be worth money if it start charging cell inmidietly after pluged in. The way it is work we have to plug all cels we want to charge and than press start is the same if i use serial charging cable on lipo charger.

[@NickBurnsFPV]

This does precisely that. We don't have to wait for all the batteries to be charged or discharged, we can pull the finished one and put in a new one.

[@primoziskra6394]

@@NickBurnsFPV OK, thanx. Thats make sense to buy this charger.

[@arQadjo]

They replace OLED screen with LCD?

[@NickBurnsFPV]

specs do say LCD on v3. I haven't looked up the v2, visually the v3 is easier to read.

[@tycoontrading9352]

Can you share your rates with your subscribers?

[@NickBurnsFPV]

Yep, did in Oct of 2022 kzbin.info/www/bejne/op3TeZaNht1rp5o

[@mzj786]

It's good set 0.5amp for 380mah?

[@NickBurnsFPV]

yes

[@VIFLYDrone]

2c charge is friendly to the batteries

[@FlyingBuzzard]

What about one of those adapters that has a XT 60 connector and a DC House plug on the other end wonder if it would work that way ? As I have several older 1S chargers that do that as i have a couple of those type adapters ? And why doesn't it come with a wall adapter ?,...LOL

[@NickBurnsFPV]

Yes, as long as it meets the voltage specs.

[@FlyingBuzzard]

@@NickBurnsFPV Thanks Nick

[@flyinbots]

I'm still using my v1 for bringing any 1S batteries down to storage, my batteries now last me months instead of weeks.

[@KOrnhOliO1]

Ya, that storage charge feature is the reason I bought one of these. 👍 People do need to realize that there is no such thing as 4.35 volt high voltage lipos. Just a game the manufacturers play so your lipos don't last as long and you have to buy them more often. Fact. I charge to 4.2v, get the longest life out of them, and forgo the extra 10- 20 seconds of flight time. It's not worth getting 15 extra seconds if your lipos give you less life overall. Don't be scammed! 😎🤘

[@NickBurnsFPV]

The storage charge function is a big win for 1s lipos. We used to us them until they puffed or didn't hardly fly then buy new all over again. maybe that is why we don't see more of these. The battery companies also make the chargers....Maybe?

[@KOrnhOliO1]

@@NickBurnsFPV I'm sure you're right! Or, it took a specialty electronics designer to build one with storage charge. I think that's what this company is all about. Found a need for it, and designed and built it. I think mines a V1, but it still has the flat side, rounded top connectors on top. I can't, and don't attempt to try to keep track of these dumb optional connectors for whoops. The PH 2.0 works fine if you get a solid pin one. These other companies trying to AGAIN get us to replace all of our 1s lipos, well, they can just go jump in a lake! Haahaa! To quote xjet - Ph 2.0 "For the Win!" 😜

[@NickBurnsFPV]

@@KOrnhOliO1 The solid pins do last longer, I don't have any sort of measurement. I have read there is potentially an issue with the battery side ph2.0 wearing out due to there connection with solid pin, this could be anecdotal info as well.

[@dondupuis4007]

This is like a guy trying to find out what sex works for his girl, takes a lifetime

[@dondupuis4007]

You have a bad one, mine runs all the time